Sharp MD-X5H Service Manual

Text of Sharp MD-X5H User Guide:

• Sharp MD-X5H, – 29 – MD-X5H/CP-X5H 10. INNER mode Step 1 Testmode STOP state [ t s m e ] Step 2 Press the TRACK EDIT button. INNER menu [ _ _ I N N E R _ _ ] Step 3 Press once the MD PLAY button. INNER switch position measurement [s c ] (SUBQ address and C1 error are also indicated.) Step 4 Press once the MD STOP button. INNER menu [ _ _ I N N E R _ _ ] Step No. Setting Method Remarks Display • : Adress • Press the MD STOP button while the INNER menu is displayed, to shift to the TEST mode STOP state. 11. EJECT mode Step 1 Testmode EJECT state [ _ _ E J E C T _ _ _ ] Step

• Sharp MD-X5H, – 67 – MD-X5H/CP-X5H WAVEFORMS OF MD CIRCUIT (MD SECTION) 1997 / 08 / 04 09:30:15 T TP1274 (EFMMON) NORM: 100M S/s CH1 500mV AC 10:1 500ns/div T 1 Record Len SMOOTH OFF BW FULL CH1 - - - CH2 0.000V Main 500 Hold Off MIN Trigger NORMAL EDGE  CH1 Zoom 10 CH3 0.000V CH4 0.000V Filter Offset 0.000 000 000s Detay 1 PLAY STATE Stopped 1997 / 08 / 04 11:43:05 Record Len SMOOTH OFF BW FULL CH1 - - - CH2 - - - Main 10K Hold Off MIN Trigger NORMAL EDGE  CH1 Zoom 100 CH3 0.000V CH4

• Sharp MD-X5H, MD-X5H/CP-X5H – 80 – IC712 RH-iX0069AWZZ:FL Driver (IX0069AW) 1-12 DIG11-DIG00 Digit output 13 RESET Reset input 14 CS Chip selection input 15 SCK Shift clock input 16 SDATA Serial data input 17*,18* P1,P0 Output port (static operation) 19 Vcc1 Positive power terminal for internal logic 20 Xout Clock output 21 Xin Clock input 22 Vss GND terminal 23-31 SEG35-SEG27 Segment output 32 Vp Negative power terminal for VFD drive 33-59 SEG26-SEG00 Segment output 60 Vcc2 Positive power terminal for digit output and segment output 61-64 DIG15-DIG12 Digit output Pin No. Terminal Name Function In this unit, the term

• – 87 – MD-X5H/CP-X5H PARTS GUIDE NOTE: Parts marked with “ ” are important for maintaining the safety of the set. Be sure to replace parts with specified ones for maintaining the safety and performance of the set. MODEL MD-X5H CP-X5H “HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the following informat

• Sharp MD-X5H, – 31 – MD-X5H/CP-X5H • Defect occurred successively 10 times during REC-PLAY. • As a result of occurrence of defect during REC-PLAY the recordable cluster became zero. • Adress is unreadable. REC state connot be set for 20 seconds although retry is repeated. • The following judgement is made according to the channel status of digital signal which was input from D-IN during REC- PAUSE or REC-PLAY. (1) Other than audio signal (2) Other than signals of home-use appliances (3) Copy NG due to inversion of copy bit in CD. • The digital sign

• Sharp MD-X5H, – 85 – MD-X5H/CP-X5H 52 P42/A18 In/Output SYS D2 (data bus 2) 53 P41/A17 In/Output SYS D1 (data bus 1) 54 P40/A16 In/Output SYS D0 (data bus 0) 55* P37/A15 Output Input/Output it port P37 56* P36/A14 Output Input/Output it port P36 57* P35/A13 Output Input/Output it port P35 58 P34/A12 Output EEPRO (EEPROM protection cancel) 59 P33/A11 Output EPCS (EEPROM chip selector output) 60 P32/A10 In/Output EEPD (EEPROM sirial data output) 61 P31A9 Output EEPK (EEPROM sirial colck output) 62 Vcc Input + 3.15V 63* P30/A8 Output Input/Output it port P30 64 Vss — GND 65 P27/A7 Output L3 DATA (soft serial communication, 2 modes provided, LSB fast) 66 P26/A6 Output L3 MODE (soft serial comm

• Sharp MD-X5H, – 39 – MD-X5H/CP-X5H Figure 39 BLOCK DIAGRAM (4/4) 21 3 3 4 14 16 1 3117 9 3 5 14 11 1312 8 16 2 5 2 9 34333231 27 12 13 14 18 16 10 25 24 23 7 48 62 71 26 56 ~ 49 63 64 48 5755595358546052 3 13 15 5 14 1 14 2 1 7 3 5 43 39 38 666589885753 92 95 99 62 61 40 22 42 37 51 9 52 84 82 83 85 86 100 817236292723 41 IC501 LC75396E AUDIO PROCESSOR S-MUTE R L R L R L AUX IN R L D805~D808 D801~D804 Q860 Q861 Q880 Q881 IC802 R–CH R-OUT L-OUT +B –B IC801 POWER AMP. LA4451 GE ~ + – – + KEY +B1B RESET IC903 PST9140 RESET DISPLAY FL711 +B1B ~ IC901 SYSTEM MICROCOMPUTER IX2718AF Q421 Q423 Q424 AUX OUT JK501B  AUX OUT MD REC I

• MD-X5H/CP-X5H – 52 – A B C D E F G H 1 23456 • NOTES ON SCHEMATIC DIAGRAM can be found on page 35. Figure 52 SCHEMATIC DIAGRAM (13/16) 1 2 3 L-CH L-CH R-CH DIGI IN JK652 DIGITAL 2 COAXIAL AUX IN AUX OUT PHONO IN R-CH R-CH L-CH J_AUX_L_OUT J_AUX_GND J_AUX_R_OUT J_DIG_OP_IN J_LINE_GND J_LINE_L_IN J_LINE_R_IN J_MD_D_GND J_MD_D_GND J_DIG_CO_IN +B +B J_+5V MAIN PWB-A1 (3/3) +B 1 2 3 4

• Sharp MD-X5H, PRICE RANK DESCRIPTIONNO. PART CODE NO. PARTS CODE PRICE RANK DESCRIPTION MD-X5H/CP-X5H ! F805,806 92LFUSET631E J AC Fuse,T630mA L 250V FE301 RTUNS0007AWZZ J AT FM Front End FL711 VVK16ST15G/-1 J BH FL Display FW303 QCNWN1026AWZZ J AE Connector Ass’y,6Pin FW902 QCNWN1024AWZZ J AF Connector Ass’y,11Pin FW1901 QCNWN1042AWZZ J AD Flat Cable,5Pin JK603 QJAKH0001AWZZ J AH Jack,Headphones JK650 92LJACKL1779A J AG Jack,Analog In/Output JK651 92LJACKL1776A J AF Jack,Phono JK652 QJAKZ0009AWZZ J AD Jack,Digital 2 Coaxial M701 92LMTR1858CASY J AS Motor with Chassis [Spindle] M702 92LMTR1854BASY J

• Sharp MD-X5H, MD-X5H/CP-X5H – 34 – E 2 -PROM Setting Mode Chart CD PLAY REC S P K L E V m _ A D J T T M _ _ CD PLAY CD PLAY REC REC H D E Q A D _ _ L D E Q A D _ _ CD PLAY CD PLAY REC REC G D E Q A D _ _ H D E Q B C _ _ CD PLAY CD PLAY REC REC L D E Q B C _ _ G D E Q B C _ _ CD PLAY CD PLAY REC REC H A L S E G _ _ L A L S E G _ _ CD PLAY CD PLAY REC REC G A L S G _ _ _ H A L S O F S _ CD PLAY CD PLAY REC REC L A L S O F S _ G A L S O F S _ CD PLAY CD PLAY REC REC t m s e Test mode STOP state EEPRO

• Sharp MD-X5H, MD-X5H/CP-X5H – 54 – A B C D E F G H 1 23456 • NOTES ON SCHEMATIC DIAGRAM can be found on page 35. Figure 54 SCHEMATIC DIAGRAM (15/16) 1 2 3 4 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 3 100 99 98 97 96 95 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 373839404142434445464748 1 2 3 4 5 6 7 8 1234567 14 13 12 11 10 98 1 2 1 2 1 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 3

• Sharp MD-X5H, PRICE RANK DESCRIPTIONNO. PART CODE NO. PARTS CODE PRICE RANK DESCRIPTION MD-X5H/CP-X5H – 1 – INTEGRATED CIRCUITS IC1 VHILA9241M/-1 J AS Servo Amp.,LA9241M IC2 VHILC78623D-1 J AY Servo/Signal Control,LC78623D IC5 VHIM56748FP-1 J AR Focus/Tracking/Spin/Slide Driver,M56748FP IC91 VHITA7291S/-1 J AH Loading Motor Driver,TA7291S IC302 VHILC72131/-1 J AP PLL (Tuner),LC72131 IC303 VHILA1832//-1 J AR FM IF Det./FM Mpx./AM IF, LA1832 IC501 VHILC75396E-1 J AT Audio Processor,LC75396E IC511 VHIBU4052BC-1 J AH Function Selector,BU4052BC IC552 VHINJM4565M-1 J AC Ope Amp.,NJM4565M IC554 VHINJM4565M-1 J AC Ope Amp.,NJM4565M IC651 VHINJM4558MF- J AE Mic Amp.,NJM4558MF IC652 VHI74HCU04/

• Sharp MD-X5H, MD-X5H/CP-X5H – 70 – • Playback is enabled only when disc is loaded. Is HF waveform normal? (See Figure 70-2 and Figure 70-3.) Check the tracking system. Does the focus servo operate? (Is operation audible?) Check the laser diode driver. Check the periphery from IC1 pin 16 to pin 21 (focus servo circuit). No Yes Yes Yes Does DRF signal change from "L" to "H"? No Yes Check the spindle system. If disc is not rotating, DRF must not change to "H". No • The CD operation button operates. Check the FOCUS-HF system. P

• Sharp MD-X5H, MD-X5H/CP-X5H – 26 – Step 18 Press once the CD PLAY button. TCRS comparison level 1 for high reflection [ T C R S C 1 P _ ] Step 19 Press once the CD PLAY button. Comparison level in case of COUT generation (playback) [ C O T L V p _ _ ] Step 20 Press once the CD PLAY button. Comparison level in case of COUT generation (pecord) [ C O T L V r _ _ ] Step 21 Press once the CD PLAY button. Auto-move waiting time setting [ W A I T m_ _ _ ] Step No. Setting Method Remarks Display d) Slide setting Step 1 Test

• Sharp MD-X5H, – 7 – MD-X5H/CP-X5H (Continued) When an error message is displayed, proceed as follows: Error messages Meaning Remedy BLANK MD • Nothing is recorded. • Replace the disc with a recorded disc. ( Neither music nor a disc name have been recorded on this MD .) Can't COPY • You tried to record from a disc which you are not allowed to copy. • Replace it with another disc which you can copy from (regular CD) . Can't EDIT • A track cannot be edited. • Change the stop position of the track and then try editing it. Can't REC • Recording cannot be performed correctly due to vibration • Rerecord or replace it. or shock in the unit

• – 25 – MD-X5H/CP-X5H Step 9 Press once the CD PLAY button. Comparison level setting in case of FOK generation [ F O K L E V f _ ] (when focus is "ON") Step 10 Press once the CD PLAY button. LPF coefficient setting (normal) in case of FOK generation [ F O K L P F n _ ] Step 11 Press once the CD PLAY button. LPF coefficient setting in case of F

• MD-X5H/CP-X5H – 76 – • Record and playback operation Insert the low reflection disc, and after verifying the audio output in the normal mode playback set the record/playback TEST mode Recording from start address cannot be performed. Yes No Check whether the disc is record-prohibited. Is RF waveform output to the pin 1 IC1201 or TP1274 when playback i

• Sharp MD-X5H, MD-X5H/CP-X5H – 2 – SAFETY PRECAUTION FOR SERVICE MANUAL WARNINGS (MD) The AEL (ACCESSIBLE EMMISSION LEVEL) of the laser power output is less than class 1 but the laser component is capable of emitting radiation exceeding the limit for class 1. Therefore it is important that the following precautions are observer during servicing to protect your eyes against exposure to the laser beam. 1) When the unit case cover is removed and LOADING SW (SW 1956) is turned on and then PLAY SW (SW 1954 mechanism PWB) is turned on in a few second. The laser will light for several second

• Sharp MD-X5H, – 69 – MD-X5H/CP-X5H TROUBLESHOOTING (CD SECTION) When the CD does not function When the CD section does not operate When the objective lens of the optical pickup is dirty,this section may not operate.Clean the objective lens,and check the playback operation.When this section does not operate even after the above step is taken,check the following items. Remove the cabinet and follow the troubleshooting instructions. "Track skipping and/or no TOC(Table Of Contents) may be caused by build up of d

• Sharp MD-X5H, MD-X5H/CP-X5H – 4 – NAMES OF PARTS Display window 1. Level meter/Character Information Display 2. EON Indicator: EON 3. Disc Name Indicator: DISC 4. Programme Type Indicator: PTY 5. Traffic Information Indicator: TI 6. Track Name Indicator: TRACK 7. FM Stereo Indicator: STEREO 8. Data Indicator: DATE 9. FM Stereo Indicator: ST 10. Program Indicator: PRGM 11. Random Play Indicator: RANDOM 12. Recording Level Indicator 13. Traffic Programme Indicator: TP 14. Traffic Announcement Indicator: TA 15. RDS Indicator: RDS 16. MD Pause Indicator: 17. M

• Sharp MD-X5H, – 37 – MD-X5H/CP-X5H Figure 37 BLOCK DIAGRAM (2/4) 1 2 3 4 1 98 6 7 20 12 13 24 25 30 31 22 32 34 35 36 10 11 27 26 28 29 PU-IN SW XL1 16.934MHz XIN LD0 FIN2 JP– CV+ SLC SL FIN1 E F TO FD SPO SP SLD SL– SL+ DRF CL DAT CE VCC1 6 +5V PICK UP IN SW702 M M M702 SLED MOTOR OPTICAL PICK UP UNIT 9 IC2 LC78623D SERVO/SIGNAL CONTROL +B1 IC5 M56748FP FOCUS/ TRACKING/ SPIN/ SLIDE/ DRIVER IC1 LA9241M SERVO AMP. 6 1 9 5 RES. CQCK. COIN SQOUT. RWC. WRQ.4M ~ ~ ~ CL, DAT, SELIAL CONTROL/CE SL+. SL–. DRF 7 3 +5V 62 64 45 3623 43 37 38 39 40 615853 10 12 20 32 40 43 44 53 52 515431302923271615 4144 Q1 +5V Q81

• Sharp MD-X5H, MD-X5H/CP-X5H – 6 – When you have set the date and time, this unit can be used as a clock. It can be used for timer recording or for timer playback. It is also used to store the MD recording date in memory. 1 Press the ON/STAND-BY button to turn the power on. 2 Press the TIMER/DELETE button. 3 Within 10 seconds, press the or button to select "TIME ADJUST". 4 Within 10 seconds, press the ENTER button. The unit will enter the date setting mode. 5 Adjust the day by pressing the or button. 6 Press the ENTER button to set the date. 7 Adjust the month by pressing the or button. 8 Press the ENTER button to set the mon

• Sharp MD-X5H, MD-X5H/CP-X5H – 32 – • UTOC was read but total TNO and the number of characters of NAME was 0? • Focusing error was caused by shock during REC-PLAY. • Although UTOC can be read but UTOC cannot be rewritten. • Data of EEPROOM is not correct. Error display Errors Corrective action BLANK MD DEFECT TOC W ERROR MD ERROR • Perform recording to check that the disc is recordable disc. • Check that the disc is free from flaw,dust, fingerprint and black spot. Check for disc disalignment and run-out. • Check that the record head contact is normal. Check that there is no broken wire between PWB and the recording hea

• MD-X5H/CP-X5H – 62 – • The numbers 1 to 24 are waveform numbers shown in page 67 and 68. Figure 62 WIRING SIDE OF P.W.BOARD (7/9) A B C D E F G H 1 23456 TO MD PICKUP UNIT FLEXIBLE PWB P64 4 - G CNP 1902 Q1820 Q1251 L1251 D1251 CNP1252 C1252 R1251 C1251 Q1252 D1252 CN1602 C1700 R1702 R1714 C1702 R1713 R1701 C1701 C1711 IC1701 L1702 L1701 C1717 C1720

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Sharp MD-X5H Service manual 23-07-2022 104

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